在tkinter treevi中有效地标记一行

Question

我试图标记treeview列中的一行，当它被选中时。在

BadgesView.tag_configure("BadgeOfTheWeek", background="yellow")

在标记此行之前或之后，我希望其他行的所有标记都被程序删除。在

^{pr2}$

我不确定这是否可行，因为我很难确定哪一行是选定的行，以及从哪一行标记。在

感谢任何帮助。在

Answer 1

Question: ... the other rows to have all their tags removed

---

Tkinter 8.5 reference - 45. ttk.Treeview
First, some definitions:
item
One of the entities being displayed in the widget. For a file browser, an item might be either a directory or a file. Each item is associated with a textual label, and may also be associated with an image.
iid
Every item in the tree has a unique identifier string called the iid. You can supply the iid values yourself, or you can let ttk generate them.

---

Treeviewitems before:

item:{'text': 'Text_1', 'values': '', 'tags': ['ALL'], 'image': '', 'open': 0}
item:{'text': 'Text_2', 'values': '', 'tags': ['BadgeOfTheWeek', 'ALL'], 'image': '', 'open': 0}
item:{'text': 'Text_3', 'values': '', 'tags': ['ALL'], 'image': '', 'open': 0}

• 循环Treeview以获取项的iid

  for iid in self.tree.get_children():
  

• 条件：'BadgeOfTheWeek'为not in电流item(iid)tags。在

      if not 'BadgeOfTheWeek' in self.tree.item(iid)['tags']:
  

• 若要从此item(iid)中删除所有tags，请将tags=设置为空list或{}

          self.tree.item(iid, tags=[])
  

Treeviewitems after:

item:{'text': 'Text_1', 'values': '', 'tags': '', 'image': '', 'open': 0}
item:{'text': 'Text_2', 'values': '', 'tags': ['BadgeOfTheWeek', 'ALL'], 'image': '', 'open': 0}
item:{'text': 'Text_3', 'values': '', 'tags': '', 'image': '', 'open': 0}

使用Python:3.5-TkVersion:8.6测试